Machine for paraffining paper.



N0 MODEL.

PATENTED SEPT. 1, 1903.-

R. J. GARRIER. MACHINE FOR'PARAPFINING PAPER.

APPLICATION I'ILED MAR. 31, 1902.

3 SHEETS-SHEET l.

e Z headed/- in Film vwimma No. 737,826. PATENTED SEPT. 1, 1903. R. J. CARRIER. MACHINE FOR PARAFPINING PAPBF PPPPPPPPPPPPPPPPP AB. a1, 1902.

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MACHINE FOR PARAFFINING PAPER.

APPLIOATIOK I'll-ED MAR. 31, 1902.

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fined thereby, said sheet of paper and parts UNITED STATES Patented September 1, 1903.

PATENT OFFICE.

ROY J. CARRIER, OF CHICAGO, ILLINOIS, ASSIGNOR TO HOWVE AND DAVIDSON COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF NEIV JERSEY.

MACHINE FOR PARYAFIFINING PAPER.

SPECIFICATION forming part of Letters Patent No. 737,826, dated September 1, 1903.

Serial No. 100,700. (No model.)

To on whom it may concern:

Be it known that I, ROY J. CARRIER, of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Machines for Paraflining Paper; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of refer ence marked thereon, which form a part of this specification.

This invention relates to improvements in machines for applying paraffin to paper preparatory to forming such paper into cartons or boxes, said machine being of that class embracing a receptacle for the paraffin-bath, a roller which dips into the bath and carries the paraffin from the bath to the paper, and asec- 0nd roller or abutment between which and the paraffin-applying roller the paper is pressed.

The invention refers more specifically to an improvement in paralfining-machines designed to leave on the sheet or sheets of paper nnparaffined strips or areas which constitute the marginal parts of the carton-blanks when out from the paraffined paper and which are adapted to receive the adhesive material by which the side walls of the boxes or cartons are joined when set up.

The invention consists in the matters hereinafter set forth and more particularly pointed out in the appended claims.

In the drawings,Figure 1 is a plan View of a machine embodying my improvements, showing a sheet of paper in position to be parafof the machine being broken away. Fig. l is afragmentary section taken on line 1 l of Fig. 1. Fig. 2 is a view,partially in longitudinal section and partially in elevation, taken on line 2 2 of Fig. 1. Fig. 3 is a transverse section taken on line 3 3 of Fig. 2 looking toward the rear of the machine. Fig. 4 is a vertical section taken on line 4 4 of Fig. 3. Fig. 5 is an enlarged vertical section taken on line 5 5 of Fig. 1. Fig. 6 is a fragmentary section taken on line 6 6 of Fig. 1.

As shown in said drawings, A designates an open-topped receptacle or pan adapted to contain the paraffin-bath and supported on upright standards A A, which latter rest on the floor or a suitable base. The pan is provided with a heating-coil A by which the paraffin is maintained ina suitably-heated condition.

B B designate upper and lower rollers, the latter of which dips at its lower part into the paraflin-bath and carries the paraffin to the under surface of the strip or sheet of paper C, passing between the rollers, the upper roller serving to press said paper against the lower or parafiining-roller. The rollers are provided with shafts b b, and the ends of the shaft 1) of the upper roller are seated in sta.-

tionary hearings in the upper ends of suitable bearing boxes or standards B The lower shaft 1) is mounted at its ends in split or two-part bearings B which are seated in yokes B, pivoted at their rear ends to short stub-shafts b Said yokes are provided with horizontal arms B which receive the upward pressure of springs 13", interposed between the bottom of the paraffin-pan and the lower ends of screw-threaded studs or bolts extending vertically through said yoke-arms, as most clearly shown in Fig. 5, whereby the lower roller is held yieldingly against the upper roller. An adjustable stop B limits the up ward movement of the yoke-arm B said stop being screw-threaded and extending through apertnred lugs or projections 12 on the bearj ing standards or blocks B and bearing at their lower ends on the upper margins of the said yoke-arms. The stops are provided at their upper ends with handwheels I), by which they are adjusted. Said roller-shafts b b are provided at one side of the machine with intermeshing gear-wheels b b, respectively, as most clearly shown in Figs. 1 and 7, and one of the shafts-the upper shaft b, as herein shownis provided outside of said in tel-meshing gear-wheels with a driving-pulley B", through which power is applied to operate the machine.

D designates a transverse doctor roller mounted in suitable bearings in the lower parts of the bearing-blocks l3 and pressing against the lower or paraffin roller, below the axis thereof, for removing the surplus paraffin from the roller B, and thereby regulating the amount of paraffin applied to the paper. The shaft of said roller is rotatively mounted in movable bearing-blocks D, which are moved toward the roller by means of adjustingscrews d, which have screw-threaded engagement with the apertures in the bearing-blocks B and which hear at their ends against said movable bearing blocks. Said rollers are faced with a suitable porous or absorbent material, preferably felt or like fabric. Such facing acts more effectively than a non-absorbent facing to take up the surplus material from the paraffin-applying roller.

The parafiining-roller B is provided between its ends and centrally thereof, as herein shown, with an annular groove or depression 1)", which constitutes an interruption in the paraffin-applying surface of the roller, so that as the sheet or strip of paper passes between the rollers B and B a narrow strip or area of the paper intermediate the side margins thereof remains unparaffined. Said unparaffined strip or area is made of such width as to constitute two pasting strips or flaps of two carton-blanks cut from the paper on opposite sides of said unparaffined strip or area. It will be understood that after the strip G of the paper has passed through or between the rollers B B and the under surface has been paraffined, except for the central strip or area thereof, it is cuttransversely into sheets or sections of suitable length for handling, and said sheets or sections are thereafter longitudinally and transversely cut or severed to form a plurality of blanks for cartons to be cut therefrom. Said sheets or sections after being paraffined and cut from the main body of the paper in the manner described con tain material for a plurality of carton-blanks arranged in laterally-separated pairs, the

blanks of each pair being adapted to be divided along the longitudinal center of the unparaffined strip or area, so as to leave an unparaffined strip or margin on each blank, the sheets or sections being divided to form a number of pairs of carton-blanks. The

cutting of the blanks from the section so cut from the strip may be effected in any suitable manner, and in practice this work is done in a suitable press having cutting-dies which give proper form to the carton-blanks as the sections pass through the press. It will thus be seen that each section or sheet cut from the main body of the paper after it is paraffined is of a width equal to that of two blanks and because of its width may be relatively long, and thereby adapted for the cutting therefrom of a relatively large number of blanks. length required for'a number of blanks may be convenientlyand economically handled as a whole, whereby the expense of handling the stock is reduced largely as compared with that required when the sheets are made with a single unparaflined strip at one edge thereof sion therein.

rabbet.

A sheet thus made of a width andand one row of blanks only is out from each sheet. Furthermore, by reason of the fact that a greater number of blanks maybe contained and handled in a unit section the carton-blanks may be much more rapidly formed I than by the process heretofore employed.

E designates a scraping device, which bears at its forward end on the paraffining-roller above the axis of the latter at the part of said roller containing said groove 12 said scraper extending on each side of said groove a short distance, as most plainly seen in Fig. 1. Said scraper E is provided with a shank E at its rear end, which is connected by a bolt 6 with an upper forwardly projecting arm of a bracket A attached, as herein shown, to one of the coil-pipes A Said shank E is provided with a slot, as shown in Fig. 1, whereby the position of the scraper with respect to the roller may be varied to adjust the same to the roller. Said scraper serves to prevent the accumulation of paraffin at the angles between the face of the roller and the shoulders at either side of the annular groove or depres- If such scraping device be not present, the paraffin tends to accumulate on the edges of the roller at the sides of said groove and would result in a surplus quantity of paraflin being deposited at the sides of the unparaffined strip or area of the paper, which would be liable to spread upon such strip or area or would form objectionable ridges at the sides thereof. Said scraper,however,preventssuch accumulation, so that the line of demarcation between the paraffined and unparaffined area of the paper will be sharp and well defined. A further purpose of the scraper-plate is to prevent the paraffin being thrown upwardly by the centrifugal action from the ascending side of the roller against the under surface of the paper and which would act to splash or partially cover the section or area designed to remain unparaffined.

The roller B may be provided with a number of said grooves or depressions b throughoutits length, so as to form unparaffined strips at varying distances apart, whereby cartons of several difierent widths may be out therefrom. In the drawings one end of the roller is shown as provided with an annular rabbet, which serves to leave an unparaffined strip or area on the edge of the strip 0 when said sheet is wide enough to extend beyond said When said rabbet is not to be used, it is filled with a spring filling-ring 12 as shown in Fig. 1, which when in place is flush with the cylindric surface of the roller B. Other grooves of the roller. may be similarly filled with the filling-rings b when not inuse. It will of course be understood that when the rabbets at the end of the roller or other'grooves of the roller are brought into use alike number of scraping-plates E are employed, which are adapted to severally act on the roller at the sides of the shoulders formed by the grooves or rabbets. ably and adjustably affixedto the machine,

Said plates are detach-' IIO igo

rabbets, such a rolleris of course adapted for making blanks of definite or standard widths. An important advantage gained by the use of a grooved roller adapted to leave an uncoated area at the middle of the paper is that such a roller is adapted for operating on a strip of any width less than the length of the roller.

By the use of the particular arrangement shown in Fig. 1 a strip of paper may be paraffined to be divided into three or more lateral sections, the intermediate unparaftined strip or area constituting when the strip is divided the pasting strips or flaps of the cartons, made from two of the longitudinal sections, while the extreme margin of the paper, which is not paraflined, constitutes the pasting-margin of the third section, the material between said free margin and the intermediate unparaffined area or section being cut to divide one marginal section of the paper from the adjacent or intermediate section.

Means are shown for feeding the strip of paper to the paraflin-rollers from a roll of paper 0 and for guiding said paper so as to maintain the central unparaffined strip or section parallel with the side margins of the paper. These devices are made as follows:

F designates a transverse shaft on which the roll 0 of the paper is mounted. Said shaft is mounted in the upper ends of two upright standards F F said standards being equipped with upwardly-opening or half bearings in which the ends of the shaft are seated. The standard F is provided with a shiftable bearing-block F, in which the shaft is mounted, and said block is adjustable by means of a hand-actuated screw F which has rotative connection with alug f, rising from the standard F and has screw-threaded engagement at its inner end with a similar lug f, rising from the block F. In order to permit the opposite end of the shaft F to adjust itself to changed positions of the block F the bearingblock on the standard F is connected with the same by a vertical pivot in the manner shown in Figs. 1 and 3. The adjustment described is to enable the shaft F to be maintained substantially parallel with the paraffining-roller and the guiding devices for the paper, as will hereinafter more fully appear.

The machine is provided between the shaft F and the parafiining-roller with a guideroller G, the shaft 9 of which is mounted at its ends in rearwardly-projecting and upwardly-directed arms A connected at their forward ends with the paraffin-pan. Said guide-roller is provided near its ends with collars 9, provided with guide-flanges 9 by which the path of the paper is maintained straight through the machine. Said collars are connected with the shaft by means of setscrews g passing through the collars and impinging at their lower ends against the roller, whereby said guide-rollers may be adapted for strips of paper of varying widths.

Means are provided for moving the shaft F endwise in its hearings to maintain the path of the paper parallel through the machine notwithstanding the fact that the paper may be rolled unevenly. The construction by which such endwise movement of the shaft is effected is as follows:

H designates a vertically-oscillatory lever which swings toward and away from the roll and is pivoted at its lower end to an arm H, projecting inwardly from the adjacent standard or pillow-block F Said arm is shown as provided with a curved slotted guide-segment H and the lever is provided with a guide lug or bolt h, which extends through and has guiding engagement with the said slotted segment. The lever is provided above the segwent with a forwardly-directed lug h, which is adapted to enter the space between two collars F F", affixed to the shaft F, as more clearly seen in Figs. 1 and 3, the space between said collars constituting a groove into which said lug h extends. With this construction when the lug h of said lever occupies the groove in the shaft and the lever. is swung vertically toward and away from the standards it acts to shift the shaft F and the roll 0 of paper carried thereby longitudinally of the shaft. WVhen themachine is in operation, an attendant manipulates the lever H to maintain the sheet in a straight path of travel, directing the sheet by the aid of the flanges g on the guide-roller G. It is not intended that the edges of said sheet shall have guiding contact with the said flanges; but said flanges are provided to enable the operator to properly guide the sheets by sight between the same and over said guide-rollers. The bar H, to which the lever H is pivoted, is shown as having swiveling connection with the standard F to permit the lever H to be swung outwardly away from the shaft F when the shaft is to be removed for placing a roll of paper on the shaft.

A tension device is provided acting on the shaft F to place tension on the shaft and paper and to prevent the paper from unwinding too freely from the roll, whereby the guiding of the paper may be more readily accomplished. Said tension device is shown most clearly in Figs. 2 and 3 and consists of a grooved pulley I on the end of the shaft F outside of the standard F and a flexible band I, which passes around said pulley. Said strap I is connected at its lower end with a screw-shaft 1 which extends through an opening in a horizontal arm or projection I on the standard F and which shaft is provided at its lower end with a hand-wheel I I claim as my invention- 1. A machine for applying paraffin to paper comprising a paraffin-applying roller, the applying-surface of which is interrupted by a shoulder in the path of the paper whereby a narrow strip of the paper passing through the machine is left unparaffined, a roller upon which the paper is wound and from which it is unrolled as it is fed to the paraflinrollers, means for shifting said roller endwise and a horizontal guide between said paperroller and the paraffin-roller provided with laterally-separated guide projections between which the paper passes and by means of Whic it is laterally guided.

2. A machine for applying paraffin to paper comprising a receptacle adapted to contain a paraffiu-bath, coacting rollers between which the paper is adapted to pass, ,one of which rollers is adapted to dip into the bath to carry the paraffin to the paper and is arranged to leave on said strip of paper, parallel with the margin of said paper, an un paraffined strip or area, a transverse shaft for carrying a roll of paper, means for shifting said shaft transversely of the machine to guide the paper, and a guide-roller between said shaft and the paraffin-roller provided with guide projections between which the strip of paper passes.

3. A machine for applying paraffin to paper comprising a receptacle adapted to contain a paraffin-bath, coacting rollers between which the paper is adapted to pass, one of which rollers is adapted to dip into the bath 30 to carry the paraffin to the paper and is adapted to leave on said strip of paper an unparaffined strip or area parallel with the margin of said paper, a transverse shaft for carrying a roll of paper, means for moving said shaft transversely of the machine to guide said paper, and a guide-roller between said shaft and the paraffin-roller provided with guide projections between which the strip of paper passes, said guide projections being adjustable longitudinally of the roller to adapt the roller to strips of paper of varying widths.

In testimony that I claim the foregoing as my invention I affix my signature, in presence of two witnesses, this 19th day of March, A. 45 D. 1902.

ROY J. CARRIER. Witnesses: (J. CLARENCE POOLE,

WILLIAM L. HALL. 

